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Anatomy > Vasculature > Flashcards

Vasculature Flashcards

1
Q

What does the arch of the aorta split in to?

A
  • brachiocephalic trunk
  • left common carotid artery
  • left subclavian artery
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2
Q

What does the brachiocephalic trunk split in to?

A
  • right common carotid artery
  • right subclavian artery
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3
Q

What muscle lays over the right subclavian artery?

A

Scalenus anterior

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4
Q

What are the 3 branches of the subclavian artery?

A
  1. vertebral artery
  2. thyrocervical trunk
  3. internal thoracic artery
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5
Q

What branches off the thyrocervical trunk?

A

inferior thyroid artery

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6
Q

What branch of the subclavian artery descends?

A

internal thoracic artery

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7
Q

What supplies the superior part of the thyroid gland?

A

Super thyroid artery

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8
Q

What supplies the inferior part of the thyroid gland?

A

Inferior thyroid artery

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9
Q

What is the anatomical name of the “Adam’s Apple”?

A

laryngeal prominence of the thyroid cartilage

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10
Q

What differentiates the internal and external carotid artery?

A

internal inside carotid sheath and external outside

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11
Q

What 2 arteries supply the brain?

A
  1. vertebral artery
  2. internal carotid artery
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12
Q

Where does the vertebral artery enter the brain and what part does it supply?

A

foramen magnum
posterior part

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13
Q

Where does the internal carotid artery enter the brain and what part does it supply?

A

carotid canal
middle and anterior

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14
Q

What is the circle of Willis?

A

blood supply at the base of the brain - an arterial anastomosis - VA and ICA connect

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15
Q

Where does the common carotid artery bifurcate?

A

superior border of thyroid cartilage/ hyoid bone

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16
Q

What is lies in the bifurcation?

A

Carotid body

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17
Q

What is the function of the carotid body?

A

peripheral chemoreceptor - monitors chemical composition within arterial blood

18
Q

What cranial nerve supplies the carotid body?

A

CN IX - glossopharyngeal

19
Q

What are the 8 branches of the external carotid artery?

A

S uperior thyroid
A scending pharyngeal
L ingual
F acial
O cciptial
P osterior auricular
M axillary
S uperficial temporal

20
Q

What do the 8 branches of the external carotid artery supply?

A

Superior thyroid -thyroid
Ascending pharyngeal - pharynx
Lingual - tongue
Facial - majority of facial soft tissues
Occipital - soft tissues in occipital region of scalp
Posterior auricular - behind ear
Maxillary - infratemporal fossa
Superficial temporal - lateral aspect of scalp

21
Q

What artery supplies the lower dentition?

A

Inferior alveolar artery

22
Q

What is the IAA a branch of?

A

Maxillary artery

23
Q

How can bacteria from a dental abscess gain access to the heart?

A

Inferior alveolar vein

24
Q

What vein drains blood from the temporal region of the brain?

A

Superficial temporal vein

25
Q

What veins join together to drain deeper structures within the infratemporal fossa?

A

Superior temporal vein and maxillary vein

26
Q

What do the superior temporal vein and maxillary vein join together to become?

A

Retromandibular vein

27
Q

How does retromandibular vein branch?

A

posteriorly and anteriorly

28
Q

What joins together to create the external jugular vein?

A

posterior div. of retroman vein + posterior auricular vein

29
Q

What does the external jugular vein drain into?

A

Subclavian vein

30
Q

What joins together to form the common facial vein?

A

anterior div. of retroman. vein + facial vein

31
Q

What does the common facial vein drain into?

A

Internal jugular vein

32
Q

What is a network of veins called?

A

Cavernous sinus

33
Q

How do superficial veins of the face communicate?

A

Ophthalmic vein

34
Q

What is the danger triangle?

A

The area of soft tissues that drain blood via facial vein. These can then drain via ophthalmic veins to Dural venous sinuses within cranial cavity>

35
Q

What can happen if danger triangle is cut?

A

Bacteria enter facial vein which can infect sinuses and lead to cavernous sinus thrombosis

36
Q

What does does the internal jugular vein and subclavian vein drain in to?

A

brachiocephalic vein

37
Q

What does the right brachiocephalic vein drain in to?

A

Superior vena cava

38
Q

What transports lymph into venous system through the venous angle?

A

thoracic duct

39
Q

What is infection of the cardiac valves called?

A

Endocarditis

40
Q

What is the name of bacteria in the bloodstream?

A

Bacteraemia

41
Q

What are the clinical signs of a damaged heart valve?

A

Heart murmur

Anatomy (7 decks)

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